Troubleshooting
111
Communications Diagnostics
If there is a problem transferring data between the computer and printer, try putting the printer in the
communications diagnostics mode. The printer will print the ASCII characters and their respective
hexadecimal values (a sample is shown below) for any data received from the host computer. To find out
how,
• There are multiple ways to enter hex data dump mode:
• The ~JD ZPL command
• The dump EPL command
• On Power Up with the FEED button pressed. Refer to the FEED Button Modes - Power OFF.
• Press the FEED button once to Exit
The printer will print ‘Entering Diagnostic Mode’ (see below).
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Entering Diagnostic Mode
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